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Rodrigues JF, Dacampo LDL, Bicca DF, Lüdtke DS, Brum DDS, Cibin FWS. Effects of organic and inorganic selenium supplementation on frozen-thawed ram semen at two cooling periods. Vet Res Commun 2024; 48:1367-1377. [PMID: 38243140 DOI: 10.1007/s11259-024-10302-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 01/09/2024] [Indexed: 01/21/2024]
Abstract
The aim of this study was to evaluate the effects of different selenium compounds on the sperm quality of cryopreserved ram semen. Ejaculates from four rams, collected using an artificial vagina heated to 38 °C, were individually evaluated. The approved ejaculates were pooled and diluted (1:1 v:v) in Tris-egg yolk extender (20%, v/v) and separated into two control groups, one cooled for 2 h and the other for 4 h. The pooled ejaculates at the two cooling periods were supplemented with two doses (0.5 and 1 μg/mL) of organic selenium (ORG), and inorganic selenium (SeNa), each. The samples were packed in 0.25 ml straws, at a concentration of 400 × 106 sperms/mL and stored in liquid nitrogen. The straws were thawed in a water bath at 37 °C for 20 s, and the samples were subjected to sperm kinetics evaluation by Computer Assisted Semen Analysis software. Sperm membrane integrity, acrosome morphology, and mitochondrial potential were assessed. In addition, oxidative stress markers reactive oxygen species (ROS), ferric reducing antioxidant power (FRAP), thiobarbituric acid reactive species (TBARS), and glutathione peroxidase (GPx) enzyme activity) were also evaluated. No significant improvement was observed in the ram semen quality at the two cooling times. Supplementation of the freezing extender with 0.5 μg/mL ORG, subjected to 4 h cooling period, increased the sperm motility when compared with the control group at the same cooling time. In addition, the 0.5 μg/mL SeNa group, under the 2 h cooling period, showed an increase in sperm motility when compared to the control group at the same cooling period. Considering the importance of sperm motility as a fertility parameter, our study indicates that supplementation with ORG and SeNa can help improve the total motility of the cryopreserved ram semen.
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Affiliation(s)
- Jéssica Ferreira Rodrigues
- Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, CEP 97500-970, RS, Brazil
- Laboratório de Estresse Oxidativo, Universidade Federal do Pampa (UNIPAMPA), Campus Uruguaiana, Uruguaiana, 97500-970, RS, Brazil
| | - Lucas Dalle Laste Dacampo
- Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, CEP 97500-970, RS, Brazil
| | - Diogo Ferreira Bicca
- Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, CEP 97500-970, RS, Brazil
- Laboratório de Estresse Oxidativo, Universidade Federal do Pampa (UNIPAMPA), Campus Uruguaiana, Uruguaiana, 97500-970, RS, Brazil
| | - Diogo Seibert Lüdtke
- Instituto de Química, Universidade Federal do Rio Grande do Sul (UFRGS), Avenida Bento Gonçalves 9500, Porto Alegre, 91501-970, RS, Brazil
| | - Daniela Dos Santos Brum
- Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, CEP 97500-970, RS, Brazil
| | - Francielli Weber Santos Cibin
- Laboratório de Biotecnologia da Reprodução (Biotech), Universidade Federal do Pampa, Campus Uruguaiana, Uruguaiana, CEP 97500-970, RS, Brazil.
- Laboratório de Estresse Oxidativo, Universidade Federal do Pampa (UNIPAMPA), Campus Uruguaiana, Uruguaiana, 97500-970, RS, Brazil.
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Pytlík J, Ducháček J, Codl R, Georgijevič Savvulidi F, Vrhel M, Stádník L. Effect of Different Equilibration Times and Freezing Rates on Bull Spermatozoa Cryotolerance. ACTA UNIVERSITATIS AGRICULTURAE ET SILVICULTURAE MENDELIANAE BRUNENSIS 2023. [DOI: 10.11118/actaun.2023.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023] Open
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Extend the Survival of Human Sperm In Vitro in Non-Freezing Conditions: Damage Mechanisms, Preservation Technologies, and Clinical Applications. Cells 2022; 11:cells11182845. [PMID: 36139420 PMCID: PMC9496714 DOI: 10.3390/cells11182845] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022] Open
Abstract
Preservation of human spermatozoa in vitro at normothermia or hypothermia maintaining their functions and fertility for several days plays a significant role in reproductive biology and medicine. However, it is well known that human spermatozoa left in vitro deteriorate over time irreversibly as the consequence of various stresses such as the change of osmolarity, energy deficiency, and oxidative damage, leading to substantial limitations including the need for semen examinations, fertility preservation, and assisted reproductive technology. These problems may be addressed with the aid of non-freezing storage techniques. The main and most effective preservation strategies are the partial or total replacement of seminal plasma with culture medium, named as extenders, and temperature-induced metabolic restriction. Semen extenders consist of buffers, osmolytes, and antioxidants, etc. to protect spermatozoa against the above-mentioned adverse factors. Extended preservation of human spermatozoa in vitro has a negative effect on sperm parameters, whereas its effect on ART outcomes remains inconsistent. The storage duration, temperature, and pre-treatment of semen should be determined according to the aims of preservation. Advanced techniques such as nanotechnology and omics have been introduced and show great potential in the lifespan extension of human sperm. It is certain that more patients will benefit from it in the near future. This review provided an overview of the current knowledge and prospects of prolonged non-freezing storage of human sperm in vitro.
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Saha A, Asaduzzaman M, Bari FY. Cryopreservation Techniques for Ram Sperm. Vet Med Int 2022; 2022:7378379. [PMID: 35535035 PMCID: PMC9078814 DOI: 10.1155/2022/7378379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/18/2022] [Indexed: 12/02/2022] Open
Abstract
Germplasm storage and transportation in artificial insemination (AI) and other advanced technologies are facilitated by cryopreservation. In reproduction, the cryopreservation of sperm allows it to be transported across vast distances and used even after the sire's death. However, the technique of cryopreservation might damage sperm and limit their activity. Several cryobiological investigations have reported that the integrity of the sperm membrane is frequently involved in the physical and biological elements that affect sperm survival at low temperatures during the cryopreservation process. However, successful cryopreservation of ram sperm is still a work in progress because a considerable percentage of sperm do not survive the freezing and thawing process. Sperms are destroyed during cryopreservation of semen due to varying concentrations of cryoprotective chemicals and if semen is not cooled at optimal cooling rates. Hence, it is crucial to know the optimum cooling rates with freezing and thawing protocols for maximum recovery of viable and functional sperm cells for a successful cryo-freezing of ram spermatozoa. Therefore, the current study compiled and compared the research on the impact of different cryopreservation procedures, cooling rates, equilibration time, and thawing protocols on post-thaw ram semen quality.
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Affiliation(s)
- Amit Saha
- Department of Surgery and Obstetrics, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
| | - Mohammad Asaduzzaman
- Department of Surgery and Obstetrics, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
- Department of Livestock Services, Farmgate, Dhaka 1215, Dhaka, Bangladesh
| | - Farida Yeasmin Bari
- Department of Surgery and Obstetrics, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
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Arutyunyan I, Elchaninov A, Sukhikh G, Fatkhudinov T. Cryopreservation of Tissue-Engineered Scaffold-Based Constructs: from Concept to Reality. Stem Cell Rev Rep 2022; 18:1234-1252. [PMID: 34761366 DOI: 10.1007/s12015-021-10299-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2021] [Indexed: 02/07/2023]
Abstract
Creation of scaffold-based tissue-engineered constructs (SB TECs) is costly and requires coordinated qualified efforts. Cryopreservation enables longer shelf-life for SB TECs while enormously enhancing their availability as medical products. Regenerative treatment with cryopreserved SB TECs prepared in advance (possibly prêt-à-porter) can be started straight away on demand. Animal studies and clinical trials indicate similar levels of safety for cryopreserved and freshly prepared SB TECs. Although cryopreservation of such constructs is more difficult than that of cell suspensions or tissues, years of research have proved the principal possibility of using ready-to-transplant SB TECs after prolonged cryostorage. Cryopreservation efficiency depends not only on the sheer viability of adherent cells on scaffolds after thawing, but largely on the retention of proliferative and functional properties by the cells, as well as physical and mechanical properties by the scaffolds. Cryopreservation protocols require careful optimization, as their efficiency depends on multiple parameters including cryosensitivity of cells, chemistry and architecture of scaffolds, conditions of cell culture before freezing, cryoprotectant formulations, etc. In this review we discuss recent achievements in SB TEC cryopreservation as a major boost for the field of tissue engineering and biobanking.
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Affiliation(s)
- Irina Arutyunyan
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Andrey Elchaninov
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
- Research Institute of Human Morphology, Moscow, Russia
| | - Gennady Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov of Ministry of Healthcare of Russian Federation, Moscow, Russia
| | - Timur Fatkhudinov
- Research Institute of Human Morphology, Moscow, Russia.
- Department of Histology, Cytology and Embryology, Peoples' Friendship University of Russia (RUDN University, 6, Miklukho-Maklaya Street, 117198, Moscow, Russia.
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Vozaf J, Makarevich AV, Balazi A, Vasicek J, Svoradova A, Olexikova L, Chrenek P. Cryopreservation of ram semen: Manual versus programmable freezing and different lengths of equilibration. Anim Sci J 2021; 92:e13670. [PMID: 34951508 DOI: 10.1111/asj.13670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 12/19/2022]
Abstract
The aim of our study was to examine effects of the length of semen equilibration as well as two freezing techniques on ram sperm post-thaw quality. The ejaculates of Wallachian sheep rams (n = 12) were collected by an electro-ejaculation, equilibrated in a Triladyl® (0, 2, 4, 6, and 8 h) containing glycerol and egg yolk and frozen by programmable freezing (PF) or manual freezing (MF). After thawing, sperm samples were subjected to the motility (computer-assisted sperm analysis [CASA]), viability (SYBR-14/PI), and fertilizing ability (FA) (in vitro penetration/fertilization test on bovine oocytes) assays. It was found that the equilibration of 6 h (E-6) ensured higher post-thaw sperm motility and progressive movement compared with other lengths tested, irrespective of a freezing technique. The E-6 sperm viability did not differ between PF and MF but was lower (P < 0.05) than control. Sperm FA (E-6) was similar in PF (60.44%) and MF (62%) but slightly lower than in fresh (72.8%). Our data demonstrate that the use of MF was comparable with PF, which can be applied in the field conditions without need in a piece of cost-expensive equipment, which can greatly benefit the gene bank of animal genetic resources.
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Affiliation(s)
- Jakub Vozaf
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, Nitra, 949 76, Slovak Republic
| | - Alexander V Makarevich
- NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic
| | - Andrej Balazi
- NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic
| | - Jaromir Vasicek
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, Nitra, 949 76, Slovak Republic.,NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic
| | - Andrea Svoradova
- NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic.,Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1/1665, Brno, 613 00, Czech Republic
| | - Lucia Olexikova
- NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic
| | - Peter Chrenek
- Institute of Biotechnology, Faculty of Biotechnology and Food Science, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, Nitra, 949 76, Slovak Republic.,NPPC, Research Institute for Animal Production in Nitra, Hlohovecka 2, Lužianky, 951 41, Slovak Republic
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Paul RK, Kumar D, Singh R. Carboxymethyl cellulose and glycerol act synergistically as cryoprotectant during cryopreservation of ram semen. Cryobiology 2021; 101:61-66. [PMID: 34102184 DOI: 10.1016/j.cryobiol.2021.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 05/04/2021] [Accepted: 06/03/2021] [Indexed: 11/16/2022]
Abstract
Wider implementation of AI in sheep in the field condition has not been possible till date due to very poor conception rate after cervical insemination with cryopreserved semen. Poor cervical penetrability in ewe and diminished sperm functions in cryopreserved semen are considered responsible for it. In the present study, effect of carboxymethyl cellulose (CMC) on post-thaw qualities of ram semen was investigated. Ejaculates from eight adult Malpura rams were pooled and diluted (800 × 106 sperm mL-1) with TES-Tris-fructose-egg yolk extender having either 5 or 6% glycerol and supplemented with 0, 0.25, 0.5, 0.75 and 1.0% (w/v) CMC and packaged into 0.25 mL French mini straws. The straws were progressively cooled to 5 °C inside a cold cabinet (5 °C) and then equilibrated for 22 h inside a refrigerator (2-5 °C). Straws were frozen at -25 °C min-1 up to -125 °C using a programmable cell freezer (Planer Biomed R-204, UK) and finally plunged into liquid nitrogen. The post-thaw progressive motility was higher (P < 0.05) in 0.75% CMC-treated group compared to control. Overall, both pre-freeze and post-thaw sperm kinetics was comparable between CMC-treated and control groups. The post-thaw sperm viability, acrosomal integrity and sperm with high mitochondrial membrane potential (hMMP) were relatively higher while sperm with high membrane cholesterol was significantly (P < 0.05) higher in presence of 0.25% CMC compared to the control. Both sperm having hMMP and non-capacitated sperm were significantly (P < 0.05) higher in presence of 5% glycerol than 6% glycerol. Similarly, functional membrane integrity (FMI) was higher in presence of 5% glycerol than 6% glycerol when CMC was added at 0.5% to extender. In conclusion, both 0.25% CMC and 5% glycerol resulted in improvement in several post-thaw sperm functions in cryopreserved ram semen. Thus CMC demonstrated cryoprotective effect on ram sperm in a synergistic manner with glycerol.
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Affiliation(s)
- Rajani Kr Paul
- Semen Cryobiology Laboratory, Division of Animal Physiology and Biochemistry, ICAR-Central Sheep and Wool Research Institute, Avikanagar, Via- Jaipur, Rajasthan, 304 501, India.
| | - D Kumar
- Semen Cryobiology Laboratory, Division of Animal Physiology and Biochemistry, ICAR-Central Sheep and Wool Research Institute, Avikanagar, Via- Jaipur, Rajasthan, 304 501, India
| | - R Singh
- Semen Cryobiology Laboratory, Division of Animal Physiology and Biochemistry, ICAR-Central Sheep and Wool Research Institute, Avikanagar, Via- Jaipur, Rajasthan, 304 501, India
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